On Mon, Mar 11, 2019 at 9:50 AM John Stultz <john.stultz@xxxxxxxxxx> wrote: > On Mon, Mar 11, 2019 at 3:15 AM Marek Szyprowski > <m.szyprowski@xxxxxxxxxxx> wrote: > > On 2019-03-08 21:53, John Stultz wrote: > > > Hey Andrzej, > > > I just wanted to let you know, trying to boot linus/master on the > > > hikey board today, I've been seeing lots of errors on boot (which > > > sometimes crash the board, and sometimes doesn't). See the example > > > below. > > > > > > I've bisected the issue down to 10209abe87f5 ("usb: dwc2: gadget: Add > > > scatter-gather mode"), and if I revert that change the issue goes > > > away. > > > > > > Looking at the patch, I can't see anything obviously sticking out, but > > > let me know if you have anything suggestions you'd like me to test. > > > > I've CCed new Andrzej's email. > > > > Could you tell a bit more how to reproduce this issue? Which USB > > function are you running on the target system? I've noticed that you are > > using functionfs. Is is possible to get access to the usb function > > daemon to reproduce the problem here? Which version of HiKey board are > > you using? > > So this is on a LeMaker HiKey (2gb ram 8gb storage), running AOSP (so > its adbd that is the ffs daemon) > > I have a mainline tracking tree which follows mainline here to provide > MALI gpu and other android requirements: > https://git.linaro.org/people/john.stultz/android-dev.git/log/?h=dev/hikey-mainline-WIP > > I'm traveling this week, but if you really want to reproduce this > yourself you can grab the system/vendor/boot images here: > https://snapshots.linaro.org/96boards/hikey/linaro/aosp-master/latest/ > > Then build the kernel w/ the hikey_defconfig and replace the kernel > image in boot.img w/ the abootimg tool. > > Let me know if you have any trouble and I can try to help walk you through it. Just wanted to follow up to see if there was anything further you needed from me to help debug this? thanks -john